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These slides will show you the conventions to use when multiplying algebraic terms.

An algebraic expression is a mathematical phrase that can contain ordinary numbers, variables (like x and y) and operators (like add, subtract, multiply and divide).

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If there are 8 teachers in a maths department. Each teacher has 2 cups of coffee. If you were to write the total cost of the cups of coffee as an expression it would be 2c x 8 = 16c. Where c = the cost of a cup of coffee

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When you multiply algebraic expressions, multiply the number, then the letters. Remember, mathematicians do not put the ‘x’ sign between the numbers or letter.

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Can you simplify the following expressions by multiplying them?

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The expression in each brick is found by multiplying the 2 expressions below it. Multiply the adjacent terms to complete the pyramid.

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In the following slides, you'll learn to simplify algebraic expressions involving indices. Indices are the plural of index. The index of a number tells you how many times to use it in a multiplication.